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Tourmaline Cabs, Oval, 3 x 4 mm
- 8112149
- 5
- £2.00 exc.VAT
The Tourmaline group refers to a number of related species and varieties. In 1703 the Dutch imported it from Sri Lanka to Western and Central Europe where it gained its name 'Turmali' which means 'stone with mixed colours'.
These cabochons have a smooth, polished surface.
Shape: Oval
Size: 3x4mm
Weight: 0.3gram
Colour: Glassy pink
Moh's hardness:
Density: 2.82-3.32
Cleavage: Indistinct
Refractive index: 1.614 - 1.666
Dispersion: 0.017
